| /* BasicComboBoxEditor.java -- |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.plaf.basic; |
| |
| import java.awt.Component; |
| import java.awt.event.ActionListener; |
| import java.awt.event.FocusEvent; |
| import java.awt.event.FocusListener; |
| |
| import javax.swing.ComboBoxEditor; |
| import javax.swing.JTextField; |
| import javax.swing.border.EmptyBorder; |
| |
| /** |
| * This is a component that is responsible for displaying/editting selected |
| * item in comboBox. By default, the JTextField is returned as |
| * BasicComboBoxEditor. |
| * |
| * @author Olga Rodimina |
| */ |
| public class BasicComboBoxEditor extends Object implements ComboBoxEditor, |
| FocusListener |
| { |
| protected JTextField editor; |
| |
| /** |
| * Creates a new BasicComboBoxEditor object. |
| */ |
| public BasicComboBoxEditor() |
| { |
| editor = new JTextField(); |
| editor.setBorder(new EmptyBorder(1, 1, 1, 1)); |
| } |
| |
| /** |
| * This method returns textfield that will be used by the combo box to |
| * display/edit currently selected item in the combo box. |
| * |
| * @return textfield that will be used by the combo box to display/edit |
| * currently selected item |
| */ |
| public Component getEditorComponent() |
| { |
| return editor; |
| } |
| |
| /** |
| * Sets item that should be editted when any editting operation is performed |
| * by the user. The value is always equal to the currently selected value |
| * in the combo box. Thus whenever a different value is selected from the |
| * combo box list then this method should be called to change editting |
| * item to the new selected item. |
| * |
| * @param selectedItem item that is currently selected in the combo box |
| */ |
| public void setItem(Object item) |
| { |
| editor.setText(item.toString()); |
| } |
| |
| /** |
| * This method returns item that is currently editable. |
| * |
| * @return item in the combo box that is currently editable |
| */ |
| public Object getItem() |
| { |
| return editor.getText(); |
| } |
| |
| public void selectAll() |
| { |
| editor.selectAll(); |
| } |
| |
| /** |
| * This method is called when textfield gains focus. This will enable |
| * editing of the selected item. |
| * |
| * @param e the FocusEvent describing change in focus. |
| */ |
| public void focusGained(FocusEvent e) |
| { |
| // FIXME: Need to implement |
| } |
| |
| /** |
| * This method is called when textfield loses focus. If during this time any |
| * editting operation was performed by the user, then it will be cancelled |
| * and selected item will not be changed. |
| * |
| * @param e the FocusEvent describing change in focus |
| */ |
| public void focusLost(FocusEvent e) |
| { |
| // FIXME: Need to implement |
| } |
| |
| /** |
| * This method adds actionListener to the editor. If the user will edit |
| * currently selected item in the textfield and pressEnter, then action |
| * will be performed. The actionPerformed of this ActionListener should |
| * change the selected item of the comboBox to the newly editted selected |
| * item. |
| * |
| * @param l the ActionListener responsible for changing selected item of the |
| * combo box when it is editted by the user. |
| */ |
| public void addActionListener(ActionListener l) |
| { |
| // FIXME: Need to implement |
| } |
| |
| /** |
| * This method removes actionListener from the textfield. |
| * |
| * @param l the ActionListener to remove from the textfield. |
| */ |
| public void removeActionListener(ActionListener l) |
| { |
| // FIXME: Need to implement |
| } |
| |
| public static class UIResource extends BasicComboBoxEditor |
| implements javax.swing.plaf.UIResource |
| { |
| /** |
| * Creates a new UIResource object. |
| */ |
| public UIResource() |
| { |
| } |
| } |
| } |